Home / 205,933.02-284,154.64-115,292.81

Finding the Fourth Proportional to 205,933.02, 284,154.64 and 115,292.81

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Solution

The fourth proportional to 205,933.02, 284,154.64 and 115,292.81 is: 159,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,933.02 : 284,154.64 = 115,292.81 : x
  2. Step 2: Convert to fraction form
    205,933.02/284,154.64 = 115,292.81/x
  3. Step 3: Cross multiply
    205,933.02x = 284,154.64 × 115,292.81
  4. Step 4: Simplify right side
    205,933.02x = 32,760,986,920.14
  5. Step 5: Solve for x
    x = 32,760,986,920.14/205,933.02
  6. Step 6: Final answer
    x = 159,085.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.